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Wes McKinney edited comment on ARROW-8934 at 6/2/20, 4:41 PM: -------------------------------------------------------------- We must be careful not to instantiate unnecessary templates when doing this was (Author: wesmckinn): We must be careful not to instantitate unnecessary templates when doing this > [C++] Add timestamp subtract kernel aliased to int64 subtract implementation > ---------------------------------------------------------------------------- > > Key: ARROW-8934 > URL: https://issues.apache.org/jira/browse/ARROW-8934 > Project: Apache Arrow > Issue Type: New Feature > Components: C++ > Reporter: Wes McKinney > Priority: Major > Fix For: 1.0.0 > > > We can use the same scalar exec function for int64 subtraction as well as > {{(array[TIMESTAMP], array[TIMESTAMP]) -> duration}}. -- This message was sent by Atlassian Jira (v8.3.4#803005)